'Earthen' in the Bible

And He sent two of His disciples, saying to them, “Go into the city, and a man carrying a jar of water will meet you; follow him;

He replied, “When you have entered the city, a man carrying an earthen jar of water will meet you; follow him into the house that he enters.

and he shall shepherd and rule them with a rod of iron, as the earthen pots are broken in pieces, as I also have received authority [and power to rule them] from My Father;